fix bug 36064

cell/model/FormulaObjects/dateandtimeFunctions.js

@@ -1828,6 +1828,15 @@
 		var calcDate = function () {
 			var dif = arg1.getValue(), count = 1, dif1 = dif > 0 ? 1 : dif < 0 ? -1 : 0, val, date = val0;
 
+			if (1 === dif) {
+				//если данный день выходной
+				//если далее выходные
+				date = new Date(val0.getTime() + dif1 * c_msPerDay);
+				while(date.getUTCDay() === 6 || date.getUTCDay() === 0 || !_includeInHolidays(date, holidays)){
+					dif >= 0 ? dif1++ : dif1--;
+					date = new Date(val0.getTime() + dif1 * c_msPerDay);
+				}
+			}else{
 				while (Math.abs(dif) > count) {
 					date = new Date(val0.getTime() + dif1 * c_msPerDay);
 					if (date.getUTCDay() !== 6 && date.getUTCDay() !== 0 && _includeInHolidays(date, holidays)) {
@@ -1844,6 +1853,7 @@
 						}
 					}
 				}
+			}
 
 			date = new Date(val0.getTime() + dif1 * c_msPerDay);
 			val = date.getExcelDate();